Creative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs has established a broad range of platforms for developing novel antibodies or equivalents. These cutting-edge technologies enable our scientists to meet your demands from different aspects and tailor the most appropriate solution that contributes to the success of your projects.
HighlightsWith deep understanding in antibody-related realms and extensive project experience, Creative Biolabs offers a variety of references to help you learn more about our capacities and achievements, including infographic, flyer, case study, peer-reviewed publications, and all kinds of knowledge that can assist your projects. You are also welcome to contact us directly for more specific solutions.
HighlightsGet a real taste of Creative Biolabs, one of the most professional custom service providers in the world. We are committed to providing highly customized comprehensive solutions with the best quality to advance your projects.
HighlightsWithin the adaptive immune system, most T cells are highly diverse, each expressing a unique TCR to recognize a wide spectrum of peptide–MHC complexes. Yet, a specialized subset—invariant T cells—stands out because of their semi-conserved TCR usage and their ability to recognize unconventional antigens presented by non-classical antigen-presenting molecules. Mucosal-associated invariant T (MAIT) cells and invariant natural killer T (iNKT) cells are the most well-known members of this group.
Although relatively small in number, invariant T cells play disproportionately important roles in early immune defense, microbial recognition, and immune regulation. Their restricted repertoire makes them particularly interesting for researchers seeking to understand innate-like T cell biology and its connection to adaptive responses.
At Creative Biolabs, we have established a dedicated platform for TCR repertoire analysis of invariant T cells, enabling research teams to decode their sequence signatures, quantify their frequency, and monitor their dynamics under different experimental conditions.
Unlike conventional antigen-specific T cells, invariant T cells rely on highly stereotyped TCR α chains paired with limited β chain diversity. This creates unique technical challenges as well as opportunities for precise characterization. Creative Biolabs' platform is designed to address both:
Our assays incorporate primers and library strategies optimized for detecting TRAV1-2/TRAJ33 (common to MAIT cells) and TRAV10/TRAJ18 (typical of iNKT cells). This allows us to enrich for invariant TCRs while still capturing broader repertoire context.
MAIT cells recognize metabolites derived from the riboflavin biosynthesis pathway presented by MR1, while iNKT cells recognize glycolipids presented by CD1d. Our platform accounts for these unique antigen-presentation contexts when designing enrichment strategies and interpreting results.
By employing high-throughput sequencing with tailored read depth, Creative Biolabs ensures that even rare invariant subsets are captured accurately, avoiding underrepresentation in mixed populations.
Creative Biolabs has developed customized computational pipelines to distinguish invariant clonotypes from background TCRs, identify semi-invariant motifs, and quantify their relative abundance across samples.
01 Sample Preparation and Quality Control
Our workflow begins with careful preparation of PBMCs, tissue-derived lymphocytes, or other relevant sources. Because invariant T cells can be rare, our laboratory applies optimized processing methods to preserve cell viability and maximize recovery. Each project starts with a quality control check to ensure sufficient material for downstream sequencing.
02 Enrichment Strategies
Depending on research goals, Creative Biolabs employs specialized approaches for isolating invariant T cells:
03 Sorting and Purification
Fluorescence-activated cell sorting (FACS) separates enriched invariant T cells from background populations. Our instruments are configured for rare-cell recovery, allowing us to collect sufficient material even when these subsets represent <1% of the total T cell pool.
04 Nucleic Acid Extraction
From the sorted populations, RNA or DNA is extracted using protocols adapted to low-input cell numbers. RNA-based workflows enable direct profiling of expressed TCRs, while DNA-based protocols provide stable repertoire coverage across different time points.
05 Library Preparation and Sequencing
Creative Biolabs builds sequencing libraries using primers specifically designed to capture invariant TCR α chain rearrangements while maintaining coverage of the β chain repertoire. Unique molecular identifiers (UMIs) are incorporated to eliminate amplification bias, and rigorous quality control ensures high-confidence libraries before sequencing.
06 Bioinformatics Analysis
Our dedicated pipeline distinguishes invariant clonotypes based on characteristic motifs. Outputs include:
Many sequencing providers focus exclusively on conventional T cells. At Creative Biolabs, we have invested in protocols and computational tools that specifically target invariant repertoires.
Our optimized FACS and sequencing workflows are designed to handle extremely low-frequency populations, ensuring no signal is lost.
Whether your project involves basic characterization, comparative studies across experimental conditions, or longitudinal tracking, Creative Biolabs adapts its workflow to suit your requirements.
We provide not only raw data but also detailed repertoire maps, frequency charts, and interpretive commentary—giving you a dataset that is both technically rigorous and biologically meaningful.
Researchers who have partnered with Creative Biolabs frequently highlight the added value of our invariant-focused approach:
"We were struggling to capture MAIT cell repertoires in our bulk sequencing data. Creative Biolabs' team provided targeted enrichment and delivered clear clonotype profiles that immediately advanced our project."
Another academic researcher commented:
"The report from Creative Biolabs was not just a list of sequences but a well-structured analysis of how invariant T cells contributed to our experimental model. Their insights saved us months of additional work."
Invariant T cells represent a unique window into how the immune system bridges innate and adaptive recognition. By focusing on their semi-conserved TCR repertoires, researchers can uncover new insights into immune regulation, microbial interactions, and unconventional antigen recognition. Contact Creative Biolabs today to discuss your study design and explore how our expertise can support your discoveries.
All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.
